Related Clues:
- Religious leader comes from high top into river
- Detective used to transmit messages
- Dexter's detective
- Heretic from height thrown into river
- Dot-dash code inventor
- Code observed by whodunnit writer
- Code using dots and dashes
- Tapped-out code
- Inventor and artist
- Famous code developer
- TV Oxford cop
- Detective is brought in increasingly
- Code; TV detective
- A code
- Extra small to carry, it's useful for sending messages